Ответ:

1. The Fastest

2. Heavier

3. Better

4. More difficult

5. The youngest

6. Worse

7. Bigger

8. Most expensive

9. Most careless

10. Most famous

Объяснение:

1. This is the faster car that we have.

2. Is iron hevier than gold?

3. His marks were terrible last year but now they're good.

4. Japanese is harder than English.

5. Who's yonger person in your family?

6. Today the weather is worse than yesterday.

7. Their flat is bigger than mine.

8. He's the careless student in the class.